17,087 active companies are based in Slough according to Companies House records. Out of 21,035 companies ever registered here, 1,439 are no longer active — a 81% survival rate. The area has seen significant recent growth, with 65.1% of active businesses incorporated since 2020. Over half (79%) of active companies were formed since 2020, making this one of the UK's fastest-growing business locations. The most common industry sector is buying and selling of own real estate, with 1,333 companies. The area hosts 235 large enterprises, 207 small firms. Slough is home to 255 FCA-regulated firms and 85 registered charities. Companies here hold 334 government contracts worth £1.6B in total. The average company age is 6.2 years. The earliest company registration in Slough dates back to 1890.
Source: Companies House register via UVAGATRON, September 2026
Slough is a growth hotspot — over half of its active companies were formed since 2020.
The average active company in Slough is 6.2 years old. There are 255 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 85 registered charities operate locally.
Companies in Slough have been awarded 334 government contracts with a combined value of £1608.6M. See the Top Government Contractors report.
There are 17,087 active companies registered in Slough, out of 21,035 total. 1,439 (7%) are no longer active.
The top industries in Slough include Buying and selling of own real estate (1,333 companies), Retail sale via mail order houses or via Internet (878 companies), Information technology consultancy activities (796 companies).
65.1% of currently active companies in Slough were incorporated since 2020, indicating strong recent growth.
Our database contains 104,836 data signals across 11 categories for active companies in Slough. The largest category is Governance with 50,702 signals from 6 sources.
The oldest company registration in Slough dates back to 1890, spanning over 136 years of business history.